The Graylog server an error while trying to send an email

Hi all,

we have current issue accordng to the message below :
432 4.3.2 STOREDRV.ClientSubmit; sender thread limit exceeded

Additional throttling limits for the SMTP Authentication protocol are:
• 30 messages per minute
• Recipient rate limit of 10,000 recipients per day
Exceeding these limits will cause the following issues:
• Exceeding the per minute limit causes email delivery delays, any excess in message submission will be throttled and successively carried over to the following minutes.
• Exceeding the per day limit causes the following error message:
554 5.2.0 STOREDRV.Submission.Exception:SubmissionQuotaExceededException
Please let us know the next steps to initiate the support . We are flexible regarding scheduling and can accommodate any availability you have.

Thank you for your attention to this matter.
We look forward to your positive response for this issue
Best regards,


Can you provide more information about your graylog cluster? The message appears to indicate your mail server says a quote has been exceeded. If this is the case there won’t be anything that can be fixed with graylog.

  • What version of graylog are you running?
  • What does your cluster setup look like, for example how many graylog-server nodes do you have?
  • How many alerts are configured to send emails?
  • How many email alerts are being sent and does that number exceed 30 messages a minute?


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